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Finding the Fourth Proportional to 55,152.02, 82,741.82 and 15,709.13

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Solution

The fourth proportional to 55,152.02, 82,741.82 and 15,709.13 is: 23,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.02 : 82,741.82 = 15,709.13 : x
  2. Step 2: Convert to fraction form
    55,152.02/82,741.82 = 15,709.13/x
  3. Step 3: Cross multiply
    55,152.02x = 82,741.82 × 15,709.13
  4. Step 4: Simplify right side
    55,152.02x = 1,299,801,514.56
  5. Step 5: Solve for x
    x = 1,299,801,514.56/55,152.02
  6. Step 6: Final answer
    x = 23,567.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.